Research on synthesis and action mechanism of polycarboxylate superplasticizer

Cho H Y, Suh J M. Effects of the synthetic conditions of poly {carboxylate-g-(ethylene glycol) methyl ether} on the dispersibility in cement paste. Cement and Concrete Research, 2005, 35(5): 891–899

Bradley G, Howarth I M. Water soluble polymers: The relationship between structure, dispering action, and rate of cement hydration. Cement Concrete Aggregate, 1986, (8): 996–1001

Lim G G, Hong S S, Kim D S, Lee B J, Rho J S. Slump loss control cement paste by adding polycarboxylic type slump-releasing dispersant. Cement and Concrete Research, 1999, (29): 223–2291

Spiratos N, Jolicoeur C. Trends in concrete chemical Admixtures for the 21st century. In: the Sixth CANMET/ACI International Conference on Superplaticizers and Other Chemical Admixtures in Concrete. Nice: France, 2000, 10: 1–15.

Hirata T, Yuasa T, Shiote K, Iwai S, Nagare K, Tahara H. Method for dispersion of cement, USP6048916, 2000-4-11

Etsuo Sakai, Akira Kawakami, Masaki Daimon. Dispersion mechanisms of comb-type superplasticizers containing grafted poly (ethylene oxide) chains. Macromol Symp, 2001, 175(3): 367–376

Li C Z, Feng N Q, Wang D M. Preparation and characterization of comb-like polycarboxylic water-reducers and its function mechanism. Journal of the Chinese Ceramic Society, 2005, 33(01): 87–92

Kazuo Yamada, Tomoo Takahashi, Shunsuke Hanehara. Effects of the chemical structure on the properties of polycarboxylate-type superplasticizer. Cement and Concrete Research, 2000, 30(2): 197–207

WANG G J, Huang H Y. Synthesis and Characterization of Polycarboxylate High Range Water-reducer. Chemical Materials for Construction, 2003, (06): 47–51 (in Japanese)

Li C Z, Feng N Q, Li Y D. Effects of polyethlene oxide chains on the performance of polycarboxylate-type water-reducers. Cement and Concrete Research, 2005, 35(5): 867–873

Shonaka M. Polymer technology reshapes water reducers. Concrete Products, 1998, (10): 5

Yamashita A, Tanaka H, Yamamoto M, Uno T, Onda Y, Hirata T. Cement dispersant and cement composition comprising this. USP6569234, 2003-5-27

Yamashita A, Hirata T, Yuasa T. Cement admixture and cement composition. USP6294015, 2001-9-25

Uchikawa H, Hanehara S, Sawaki D. The role of steric repulsive force in the dispersion of cement particles in fresh paste prepared with organic admixture. Cem Concr Res, 1997, 27(1): 37–50

Ota A, Sugiyama Y, Tanaka Y. Fluidizing mechanism and application of polycarboxylated-based superplasticizers. In: The Fifth International Conference on Superplasticizers and Other Chemical Admixtures in Concrete. Rome:, SP173, 1997, 359–378

Yoshioka K, Sakai E, Daimon M, Kitahara A. Role of Steric hindrance in the performance of water-reducers for concrete. Journal of the American Ceramic Society, 1997, 80(10): 2667–2672

Matsunaga T, Takei K, Toba T, Ikeuchi H, Tamura F. U S process for producing polymer having hydroxyl groups at both terminals. USP5391665, 1995-02-21

Honda S, Hara T, Koyata H. Dispersant composition for cement having excellent property in inhibition of slumo-loss. USP5432212, 1995-07-11

Lim G G, Hong S S, Kim D S, Lee B J, Rho J S. Slump loss control of cement paste by adding polycarboxylic type slump-releasing dispersant. Cement and Concrete Research, 1999, 29: 223–229

Ohta S, Tomomi T Y. Cement dispersing agent. USP5660626, 1997-08-26